ref_transaction_commit(): fix atomicity and avoid fd exhaustion

diff --git a/t/t8008-blame-formats.sh b/t/t8008-blame-formats.sh
index d15f8b3d473416eaed24ed92396d567aa785c3d8..29f84a6dd17752aabc76ee3d84d1c6b1064481ba 100755 (executable)
--- a/t/t8008-blame-formats.sh
+++ b/t/t8008-blame-formats.sh
@@ -5,7 +5,7 @@ test_description='blame output in various formats on a simple case'
 
 test_expect_success 'setup' '
        echo a >file &&
-       git add file
+       git add file &&
        test_tick &&
        git commit -m one &&
        echo b >>file &&